Mozilla Firefox/Thunderbird 30.0 NSSCertificate Structure PK11_ImportCert use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox and Thunderbird 30.0. This impacts the function PK11_ImportCert of the component NSSCertificate Structure Handler. The manipulation results in use after free. This vulnerability is known as CVE-2014-1544. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Mozilla Firefox and Thunderbird 30.0 (Web Browser). Affected is the function PK11_ImportCert of the component NSSCertificate Structure Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 07/22/2014 by Tyson Smith and Jesse Schwartzentruber with MIT as MFSA2014-63 as confirmed advisory (Website). The advisory is available at mozilla.org. This vulnerability is traded as CVE-2014-1544 since 01/16/2014. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/25/2025).

The vulnerability scanner Nessus provides a plugin with the ID 76685 (CentOS 5 / 7 : nspr / nss (CESA-2014:0916)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123075 (Solaris 11.2 Support Repository Update (SRU) 5.5.0 Missing).

Upgrading to version 31 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (94776), Tenable (76685), SecurityFocus (BID 68816†), Secunia (SA59591†) and SecurityTracker (ID 1030619†). Further details are available at bugzilla.mozilla.org. Similar entries are available at VDB-12522, VDB-67222, VDB-67223 and VDB-67224. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 76685
Nessus Name: CentOS 5 / 7 : nspr / nss (CESA-2014:0916)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702986
OpenVAS Name: Debian Security Advisory DSA 2986-1 (iceweasel - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox/Thunderbird 31

Timelineinfo

01/16/2014 🔍
07/22/2014 +187 days 🔍
07/22/2014 +0 days 🔍
07/22/2014 +0 days 🔍
07/22/2014 +0 days 🔍
07/23/2014 +1 days 🔍
07/23/2014 +0 days 🔍
07/23/2014 +0 days 🔍
07/23/2014 +0 days 🔍
08/04/2014 +12 days 🔍
11/25/2025 +4131 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2014-63
Researcher: Tyson Smith, Jesse Schwartzentruber
Organization: MIT
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-1544 (🔍)
GCVE (CVE): GCVE-0-2014-1544
GCVE (VulDB): GCVE-100-67230

OVAL: 🔍
IAVM: 🔍

X-Force: 94776 - Mozilla Firefox andThunderbird NSSCertificate structures code execution, High Risk
SecurityFocus: 68816 - Mozilla Firefox/Thunderbird CVE-2014-1544 Use After Free Memory Corruption Vulnerability
Secunia: 59591 - Debian update for icedove, Highly Critical
SecurityTracker: 1030619 - Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Deny Service, and Spoof User Interface Elements
Vulnerability Center: 45575 - Mozilla Firefox and Thunderbird Remote DoS or Code Execution - CVE-2014-1544, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 07/23/2014 11:48
Updated: 11/25/2025 21:40
Changes: 07/23/2014 11:48 (92), 06/03/2017 07:22 (3), 02/09/2022 19:09 (2), 02/09/2022 19:17 (1), 11/25/2025 21:40 (15)
Complete: 🔍
Cache ID: 216:832:103

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